双曲正割表(弧度)
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sech(0.40) = sech(22°55'05") = 0.925007451905755
sech(0.41) = sech(23°29'28") = 0.921460241532835
sech(0.42) = sech(24°03'51") = 0.91784869785181
sech(0.43) = sech(24°38'13") = 0.914174292310969
sech(0.44) = sech(25°12'36") = 0.910438507230276
sech(0.45) = sech(25°46'59") = 0.906642834510401
sech(0.46) = sech(26°21'21") = 0.902788774355739
sech(0.47) = sech(26°55'44") = 0.898877834013106
sech(0.48) = sech(27°30'07") = 0.894911526527698
sech(0.49) = sech(28°04'29") = 0.890891369517857
支持0°到360°范围内的数值计算，提供最大值标记（0°处为1），可显示双曲正割钟形曲线图。支持导出计算结果为CSV格式。